<template>
    <div :class="['todo-item', todo.completed ? 'completed' : '']">
        <input type="checkbox"
               class="toggle"
               v-model="todo.completed"
        >
        <label>{{todo.content}}</label>
        <button class="destroy" @click="deleteTodo"></button>
    </div>
</template>

<script>
    export default {
        props: {
            todo: {
                type: Object,
                require: true
            }
        },
        methods: {
            deleteTodo() {
                // 往父组件传递 del 方法，参数为当前id
                this.$emit('del', this.todo.id)
            }
        }
    }
</script>

<style lang="stylus" scoped>
  .todo-item
    position relative
    background-color #fff
    font-size 24px
    border-bottom 1px solid rgba(0,0,0,0.06)
    &:hover
      .destroy:after
          content: '×'
    label
      white-space: pre-line;
      word-break: break-all;
      padding: 15px 60px 15px 15px;
      margin-left: 45px;
      display: block;
      line-height: 1.2;
      transition: color 0.4s;
    &.completed
      label
        color: #d9d9d9;
        text-decoration line-through
  .toggle
    text-align: center;
    width: 40px;
    height: 40px;
    line-height: 40px
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto 0;
    border: none;
    appearance: none;
    -webkit-appearance: none;
    outline none
    padding-left 5px
    cursor pointer
    &:after
        content: url('../assets/image/round.svg')
    &:checked:after
        content: url('../assets/image/done.svg')
  .destroy
    position: absolute
    top: 0
    right: 10px
    bottom: 0
    width: 40px
    height: 40px
    margin: auto 0
    font-size: 30px
    color: #cc9a9a
    margin-bottom: 11px
    transition: color 0.2s ease-out
    background-color transparent
    appearance none
    -webkit-appearance none
    border-width 0
    cursor pointer
    outline none
</style>